<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
    pageEncoding="ISO-8859-1"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>logout</title>
</head>
<body>
<% 
	String loginValue = request.getParameter("login");
	if(loginValue!=null&&!loginValue.isEmpty()){
		session.setAttribute("login", loginValue);
	}else{
		session.removeAttribute("login");
	}
%>
<p> click <a href="main.jsp">here</a> to drop to the main page!
</body>
</html>